import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from "../components/Login.vue"
import Home from "../components/Home.vue"
import Welcome from "../components/Welcome.vue"
import Users from "../components/user/Users.vue"
import Rights from "../components/power/Rights.vue"
import Roles from "../components/power/Roles.vue"
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from "../components/goods/List.vue"
import Add from '../components/goods/Add.vue'
import Order from "../components/order/Order.vue"
import Report from "../components/report/Report.vue"
Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: GoodsList},
      { path: '/goods/add',component : Add},
      { path: '/orders',component : Order},
      { path: '/reports',component : Report},
    ]
  }
]

const router = new VueRouter({
  routes
})


//挂载路由导航守卫
router.beforeEach((to,from,next) => {
  //to将要跳转的路由对象
  //from代表从哪个路径的跳转的路由对象
  //next是一个函数，表示放行
  //next() 放行   next（'/login'）强制跳转
  if(to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if(!tokenStr) return next('/login')
  next()
})
export default router
